物理化学学报 >> 1996, Vol. 12 >> Issue (12): 1071-1073.doi: 10.3866/PKU.WHXB19961204

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几种粗糙铂电极上表面拉曼增强效应初探

蔡文斌,任斌,毛秉伟,全朝,田中群   

  1. 厦门大学固体表面物理化学国家重点实验室,物理化学研究所,化学系,厦门 361005
  • 收稿日期:1996-08-26 修回日期:1996-10-14 发布日期:1996-12-15
  • 通讯作者: 田中群

A Preliminary Investigation of SERS Effect at Roughened Platinum Electrodes

Cai Wen-Bin,Ren Bin,Mao Bing-Wei,Quan Chao,Tian Zhong-Qun   

  1. State Key Laboratory for Physical Chemiry of Solid Surfaces,  Institute of Physical Chemistry, Department of Chemistry, Xiamen University, Xiamen 361005
  • Received:1996-08-26 Revised:1996-10-14 Published:1996-12-15
  • Contact: Tian Zhong-Qun

关键词: γMo2N, 催化剂, 程序升温托付技术(TPD), NO, 吸附, 活性位

Abstract:

Good-quality surface enhanced Raman spectra have been obtained from various roughened Pt electrodes using a confocal Raman measuring system. A new equation is presented to estimate the enhancement factor G for the electrodispersed and platinized Pt electrodes in a pyridine+NaClO4 solution. It is shown that the platinum electrodes undergoing the special roughening procedures exhibit a weak SERS effect with an enhancement factor of 10 to 1.2×102, depending on the surface pretreament.

Key words: Pt electrode, SERS effect, Surface enhancement factor, Confocal Raman microscope, Pyridine